From 2d81bfb9832ec5612e18501ea04227acc1e2b221 Mon Sep 17 00:00:00 2001
From: qwang12 <qwang12@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Thu, 22 May 2008 00:59:42 +0000
Subject: Add in ConvertIso639LanguageToRfc3066Language API.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5268 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdePkg/Library/HiiLib/HiiString.c | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

(limited to 'MdePkg/Library/HiiLib')

diff --git a/MdePkg/Library/HiiLib/HiiString.c b/MdePkg/Library/HiiLib/HiiString.c
index b28a955d81..2df4b47c38 100644
--- a/MdePkg/Library/HiiLib/HiiString.c
+++ b/MdePkg/Library/HiiLib/HiiString.c
@@ -415,6 +415,44 @@ ConvertRfc3066LanguageToIso639Language (
 }
 
 
+/**
+  Convert language code from ISO639-2 to RFC3066.
+
+  LanguageIso639 contain a single ISO639-2 code such as
+  "eng" or "fra".
+
+  The LanguageRfc3066 must be a buffer large enough
+  for RFC_3066_ENTRY_SIZE characters.
+
+  If LanguageIso639 is NULL, then ASSERT.
+  If LanguageRfc3066 is NULL, then ASSERT.
+
+  @param  LanguageIso639         ISO639-2 language code.
+  @param  LanguageRfc3066        RFC3066 language code.
+
+  @retval EFI_SUCCESS            Language code converted.
+  @retval EFI_NOT_FOUND          Language code not found.
+
+**/
+EFI_STATUS
+EFIAPI
+ConvertIso639LanguageToRfc3066Language (
+  IN  CONST CHAR8   *LanguageIso639,
+  OUT CHAR8         *LanguageRfc3066
+  )
+{
+  UINTN Index;
+  
+  for (Index = 0; Iso639ToRfc3066ConversionTable[Index] != 0; Index += 5) {
+    if (CompareMem (LanguageIso639, &Iso639ToRfc3066ConversionTable[Index], 3) == 0) {
+      CopyMem (LanguageRfc3066, &Iso639ToRfc3066ConversionTable[Index + 3], 2);
+      return EFI_SUCCESS;
+    }
+  }
+
+  return EFI_NOT_FOUND;
+}
+
 /**
   Convert language code list from RFC3066 to ISO639-2, e.g. "en-US;fr-FR" will
   be converted to "engfra".
-- 
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